12971140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7127}}^1$

素因数の和:7156

約数の個数: 48

約数和(自身を含む): 33530112

約数和(自身を除く): 20558972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 7127, 14254, 28508, 35635, 49889, 71270, 92651, 99778, 142540, 185302, 199556, 249445, 370604, 463255, 498890, 648557, 926510, 997780, 1297114, 1853020, 2594228, 3242785, 6485570, 12971140]

約数ペア:

[(1, 12971140), (2, 6485570), (4, 3242785), (5, 2594228), (7, 1853020), (10, 1297114), (13, 997780), (14, 926510), (20, 648557), (26, 498890), (28, 463255), (35, 370604), (52, 249445), (65, 199556), (70, 185302), (91, 142540), (130, 99778), (140, 92651), (182, 71270), (260, 49889), (364, 35635), (455, 28508), (910, 14254), (1820, 7127)]